_____ for his mistake, the little boy could not but _____to his teacher that he was wrong.

______ on a true story, the film is well worth ______ .

Don’t ______ personal information such as your name, telephone number and address until you feel comfortable. 

---Tom is so worried about the test that he said he was going to study all night.----Tell him he should quit _________and get some help. 

—The head teacher said we had only three days to finish the project.—Don't worry. We have already ________ two thirds of it.